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Results tagged with operator-theory
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user 483370
Spectrum, resolvent, numerical range, functional calculus, operator semigroups. Special classes of operators: compact, Fredholm, dissipative, differential, integral, pseudodifferential, etc.
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The adjoint of the Cesaro operator on $H^p$
For each $f=\sum_{k=0}^\infty b_kz^k\in H^p(\mathbb{D})$, $1<p<\infty$, we consider the following operators;
$$
C(f)(z)=\sum_{n=0}^\infty \left(\frac{1}{n+1}\sum_{k=0}^n b_k\right)z^n
$$
and
$$
A(f)( …
